KB070AR0
5/16" Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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KB070AR0 Bearing Product Overview & Core Advantages
The KB070AR0 is a high-performance thin section angular contact ball bearing designed for precision applications requiring exceptional rigidity and accurate rotational performance. This single row bearing features a 30° contact angle, optimized for handling combined radial and axial loads simultaneously. Manufactured to ABEC-1 precision standards, it delivers reliable operation in compact spaces with its slim 0.3125" width profile. The open construction allows for custom lubrication schemes, making it ideal for high-speed machinery and precision instruments where space and weight are critical constraints.
KB070AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| KB070 | Basic bearing designation | Identifies the thin section bearing series with specific dimensions |
| A | Angular Contact design | Enables handling of combined radial and axial loads with 30° contact angle |
| R0 | Open construction | Allows for custom lubrication and maintenance flexibility |
KB070AR0 Bearing Structural Features & Performance Benefits
Optimized Thin Section Design: With a compact 0.3125" width and large 7" bore diameter, this bearing provides maximum load capacity in minimal space, making it ideal for weight-sensitive applications.
High Load Capacity: The angular contact configuration with 30° contact angle delivers exceptional radial dynamic load rating of 1184 lbf and axial static load rating of 2980 lbf, ensuring reliable performance under combined loading conditions.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional controls (bore tolerance: -0.0010" to 0"), this bearing ensures smooth operation and precise positioning in demanding applications.
Premium Material Construction: Utilizing chrome steel rings and brass cage, the bearing offers excellent durability and stable performance across the operating temperature range of -30°C to 110°C.
KB070AR0 Bearing Typical Application Areas
- Robotics and Automation: Rotary joints, robotic arms, and precision positioning systems
- Aerospace Systems: Guidance mechanisms, actuator systems, and instrumentation
- Medical Equipment: Surgical robots, imaging systems, and diagnostic instruments
- Semiconductor Manufacturing: Wafer handling equipment and precision stages
- Optical and Measurement Systems: Rotary tables, scanning devices, and precision instruments
